An electronics firm is considering whether or not to introduce a new smartphone into the market to compete with the iPhone, Galaxy, et cetera. Before introducing the smartphone, the firm wants to conduct a survey in order to find out what particular features of smartphones are desired by potential customers. You have been asked to provide some guidance to this firm regarding the conduct of the survey.

Answer the following questions:

a. The firm is considering conducting the survey online by inviting individuals to complete the survey using an advertisement on an electronics blogging website. Would you recommend this method? Why or why not?

b. What particular sampling method would you recommend to this firm? Provide justification for your choice.

c. What steps should the firm take to try to minimise any potential errors or bias in the survey's results?